Extractor Fan re circulation

Discussion in 'UK DIY' started by Craigy, Jul 18, 2004.

  1. Craigy

    Craigy Guest

    Hi group,

    Just a quik question,

    Ive installed a Baumatic cooker hood complete with ducting to an
    outside wll. The hood is the min 75 cm above the cooker. My trouble is
    that the steam ad fumes dont seem to get caught by the hood. The hood
    was nearly 300 pounds so im asuming its a fairly good one, the ducting
    is about 2 meters ( not too long ?). reading the literature it says
    there is a recirc mode and an extratct mode,are these the same exept
    the fume are vented in extract mode ?. The reason i have dubts is that
    when the fan is running some air is pumped out to the ducting , while
    some air is expelled out of the side of the fan motor. I know that
    with my shower fan all air it takes in is pushed out. Sorry if im
    rambling an ideas on this one guys and gals ???
    Craigy, Jul 18, 2004
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  2. Is the damper that selects recirc/extract in the correct place, not
    set midway between the two?

    Is the air coming from the motor also air that is drawn in through the
    filter or simply cooling air for the motor only? Even so it seems a
    bit silly to dump the warm air into the kitchen when you could vent
    Dave Liquorice, Jul 18, 2004
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  3. Light a smoke pellet on top of the hob and turn on the fan. You'll
    soon see how effective the extractor is and if the smoke is being
    recirculated or pushed outside.

    You can buy smoke pellets from a plumbers merchants.
    Geosolar Heating, Jul 18, 2004
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